Theory
Exercises
1. 
Choose the right answer
Difficulty: easy 
2

2. 
Find the area of rhombus
Difficulty: easy 
2

3. 
Calculate the area of the quadrilateral sheet of paper
Difficulty: medium 
3

4. 
Determine the area of the room's layout
Difficulty: medium 
3

5. 
Find the area of the water tank using the appropriate formula
Difficulty: medium 
3

6. 
Find the area of the regular octagon
Difficulty: hard 
6

7. 
Determine the area of quadrilateral
Difficulty: hard 
5

8. 
Determine the area of the pentagon formed
Difficulty: hard 
5

Tests
1. 
Training test
Difficulty: medium 
3
